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Finding the Fourth Proportional to 18,451,472.96, 27,656,209.38 and 8,200,935.11

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Solution

The fourth proportional to 18,451,472.96, 27,656,209.38 and 8,200,935.11 is: 12,292,068.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451,472.96 : 27,656,209.38 = 8,200,935.11 : x
  2. Step 2: Convert to fraction form
    18,451,472.96/27,656,209.38 = 8,200,935.11/x
  3. Step 3: Cross multiply
    18,451,472.96x = 27,656,209.38 × 8,200,935.11
  4. Step 4: Simplify right side
    18,451,472.96x = 226,806,778,513,953.34
  5. Step 5: Solve for x
    x = 226,806,778,513,953.34/18,451,472.96
  6. Step 6: Final answer
    x = 12,292,068.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.